extract_submesh.h

/*
 * Copyright 2019 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
#pragma once
 
#ifdef LAGRANGE_ENABLE_LEGACY_FUNCTIONS
    #include <lagrange/legacy/extract_submesh.h>
#endif
 
#include <lagrange/SurfaceMesh.h>
#include <lagrange/utils/span.h>
 
#include <string_view>
 
namespace lagrange {
 
struct SubmeshOptions
{
    std::string_view source_vertex_attr_name;
 
    std::string_view source_facet_attr_name;
 
    bool map_attributes = false;
 
    SubmeshOptions() = default;
    SubmeshOptions(const SubmeshOptions&) = default;
    SubmeshOptions(SubmeshOptions&&) = default;
    SubmeshOptions& operator=(const SubmeshOptions&) = default;
    SubmeshOptions& operator=(SubmeshOptions&&) = default;
 
    template <typename T>
    explicit SubmeshOptions(const T& options)
    {
        source_vertex_attr_name = options.source_vertex_attr_name;
        source_facet_attr_name = options.source_facet_attr_name;
        map_attributes = options.map_attributes;
    }
};
 
template <typename Scalar, typename Index>
SurfaceMesh<Scalar, Index> extract_submesh(
    const SurfaceMesh<Scalar, Index>& mesh,
    span<const Index> selected_facets,
    const SubmeshOptions& options = {});
 
 
 
} // namespace lagrange